title: A taxonomic study of Chinese species of the alberti group of Metaphycus (Hymenoptera, Encyrtidae).
abstract: Ten alberti-group species of the genus Metaphycus Mercet from China are reviewed. Six species Metaphycus dorsalis sp. n., Metaphycus chinensis sp. n., Metaphycus wui sp. n., Metaphycus stylatus sp. n., Metaphycus fusiscapus sp. n. and Metaphycus fusiformis sp. n. are described as new to science. Four known species from China are redescribed. A key to the females of the Chinese species is given and photomicrographs are provided to illustrate morphological characters of these species. All specimens unless otherwise specified are deposited in the National Zoological Museum of China Institute of Zoology Chinese Academy of Sciences Beijing.
authors.affiliation: Division of Forest Protection, School of Forestry, Northeast Forestry University, Harbin, 150040, China ;  Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
authors.forename: Ying
authors.initials: Y
authors.lastname: Wang
authors.forename: Cheng-De
authors.initials: CD
authors.lastname: Li
authors.forename: Yan-Zhou
authors.initials: YZ
authors.lastname: Zhang
keywords: Chalcidoidea; China; natural enemy; new species; parasitoids